单项选择题

The second paragraph is mainly about ______.

A．the obsolescence of many human functions
B．the impact of information technology on individuals' skills and jobs
C．rapid evolution of human labour
D．job dislocations and forced geographic relocations

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单项选择题

This passage is mainly about ______.

A．information technology
B．an increasingly knowledge-intensive environment
C．a modern definition of literacy
D．effects of modern information systems on the individual

单项选择题

From the passage, we can conclude that ______.

A．video conferencing will be an instance of superiority for some companies
B．video conferencing will be applied where communication is important
C．video, conferencing will be a standard configuration for all people's computers
D．video conferencing still have a lot of room for improvement